"""Add Tokens table to store user access tokens

Revision ID: 080d29b15cd3
Revises: b295b033364d
Create Date: 2019-11-03 18:21:04.827015

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import mysql

# revision identifiers, used by Alembic.
revision = '080d29b15cd3'
down_revision = 'b295b033364d'
branch_labels = None
depends_on = None


def upgrade():
    op.create_table('tokens',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('type', sa.String(length=32), nullable=True),
    sa.Column('user_id', sa.Integer(), nullable=True),
    sa.Column('created', sa.DateTime(), nullable=True),
    sa.Column('expiration', sa.DateTime(), nullable=True),
    sa.Column('value', sa.String(length=128), nullable=True),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('value')
    )


def downgrade():
    op.drop_table('tokens')
